31443455434413 has 48 divisors (see below), whose sum is σ = 47330852482368. Its totient is φ = 18540434880000.

The previous prime is 31443455434411. The next prime is 31443455434423.

31443455434413 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 31443455434413 - 2¹ = 31443455434411 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31443455434411) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 245065045 + ... + 245193317.

It is an arithmetic number, because the mean of its divisors is an integer number (986059426716).

Almost surely, 2^{31443455434413} is an apocalyptic number.

31443455434413 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

It is an amenable number.

31443455434413 is a deficient number, since it is larger than the sum of its proper divisors (15887397047955).

31443455434413 is a wasteful number, since it uses less digits than its factorization.

31443455434413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146586 (or 146575 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 48.

It can be divided in two parts, 3144345 and 5434413, that added together give a palindrome (8578758).

The spelling of 31443455434413 in words is "thirty-one trillion, four hundred forty-three billion, four hundred fifty-five million, four hundred thirty-four thousand, four hundred thirteen".